package test1223;

public class Test01 {
    public static void main(String[] args) {

        // (1)互换2个变量中的值
        int a = 2;
        int b = 3;

        int temp = a;
        a = (int) b;
        System.out.println(a);


        a = temp;
        temp = (int) a;
        System.out.println(temp);

    }
}

